$175 Cheap Delta flights Kailua-Kona (KOA) to San Diego (SAN)

Landing cheap one-way Delta Air Lines flights from KOA to SAN from $175 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $348 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Delta Air Lines flights to San Diego are often cheaper in the low-season months of January and November. Whether you need a return or one-way ticket, you could score a better deal then.

To find cheap Delta Air Lines fares from Kona Intl. Airport (KOA) to San Diego Intl. Airport (SAN), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence what you pay. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, click search and tick the “Nonstop” filter on Expedia to find any direct flights from KOA to SAN with Delta Air Lines or another carrier.

Browse Delta Air Lines’s earliest flights from KOA to SAN by selecting our “Early Morning” and “Morning” filters. Not only will you arrive sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

San Diego Intl. Airport (SAN) is the main San Diego gateway for Delta Air Lines flights from Kona Intl. Airport (KOA).

Heading from KOA to SAN with Delta Air Lines comes with a range of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making your booking, but your airline may charge a fee after that time. For more information about modifying your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to update your itinerary without extra charges, apply the “Changes included” and “No cancel fee” filters when planning your next getaway.